Macroscale and Microscale Organic Experiments
7th Edition
ISBN: 9781305577190
Author: Kenneth L. Williamson, Katherine M. Masters
Publisher: Brooks Cole
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Question
Chapter 4, Problem 7Q
Interpretation Introduction
Interpretation:
The reason for the use of fluted filter paper in gravity filtration should be explained.
Concept introduction:
Gravity filtration is the process that is used to separate the solids from liquids based on the particle size with the help of gravity. This method is used when the filtrate is to be retained and the residue on the filter paper is discarded. It includes the use of conical flasks, fluted filter paper, stemless funnel, and boiling chips. It is a slow process and removes only large particles from the air.
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why is a fractionating column better able to separate liquids?
vacuum filtration uses suction to speed up the filtration process?
Choose the one correct or one incorrect statement regarding filtration:
gravity filtration uses a Buchner funnel, filtering flask and negative pressure
filter paper should be wet with solvent to seal it to the funnel before filtering
the solution collected in the filtering flask is called the residue
vacuum filtration is most often used to remove impurities from a solution
the solution to be filtered should completely fill the top of a Buchner funnel
Chapter 4 Solutions
Macroscale and Microscale Organic Experiments
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- Red-Eared Sliders are illegal in California true or false?arrow_forwardValue Number of sig figs 301.50 0.0500 2650 7.560 x 1023arrow_forwarda. Although not always needed, suction filtration can be helpful. When is it advantageous over gravity (normal) filtration? b. Are there cases that suction filtration is less preferred than gravity filtration?arrow_forward
- Wet deposition is a continuous process, while dry removal of air pollutants can be realized only in the presence of precipitation. a. True b. Falsearrow_forwardSublimation is preferred over recrystallization when you work with an amount of solid material to be purified that weighs: A) at least 1 kg B) about 100 mg C) about 1 mol D) about 1000 ml A ODarrow_forwardCalculate the sedimentation volume of the deflocculated suspension.arrow_forward
- Why is the pipette more precise than a burette when measuring?arrow_forwardMass of evaporating dish grams 131.43g mass in kg lbs tons dgarrow_forwardWhich solvent should be used to wash the solid material collected from a filtration? Select one: The same solvent as the liquid in the original mixture Acetone Deionized water O Any solvent in which the solid can dissolvearrow_forward
- Compare the pair sample number 1 and 4 in terms of their use.arrow_forward1. A 25-mL specific gravity bottle was found to weigh 46.05 g when filled with water, and 52.93 g when filled with the ophthalmic solution. If the empty specific gravity bottle weighs 21.04 g, what is the specific gravity of the ophthalmic solution? a 0.784 b 0.870 c 1.149 d 1.275arrow_forwardVacuum filtration is just one method that can be used to separate the components of a mixture. Describe another method for separating the components of a mixture, and comment on how "green" the method is. Be sure to indicate the physical state of each component during separation. Scientific literature should be cited as part of your response.arrow_forward
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